Long legged spider crab - Macropodia rostrata (Linnaeus, 1761), author: Bruno Van Bogaert
Macrobrachium laevis, author: Zi Yi Kho
Pagurus armatus, author: Neil McDaniel
Lithoscaptus aquarius (photo from aquarium), author: van der Meij, Sancia E.T.

DecaNet (World List of Decapoda)